feat(frontend): implement string-only ID standardization and native data cleaning

Update layout.ts to clean raw data from the native bridge. Initialize events_slct.event_device_id in launcher layout. Resort device_id prioritization in launcher_background_sync.svelte.

TODO.md

@@ -25,7 +25,11 @@ This is a list of tasks to be completed before the next event/show/conference.
     - [x] **Search Guard Pattern:** Deployed across all major search modules to eliminate infinite loops.
     - [x] **Shared Observables:** Refactored lists to accept `liveQuery` props for flicker-free SWR transitions.
     - [x] **Store Initialization:** Hardened persisted stores against `undefined` reactivity triggers.
-2.  **Native Launcher Refinement (Phase 5):**
+2.  **String-Only ID Standardization:**
+    - [ ] Audit and resort ID prioritization logic across all `.ts` and `.svelte` files.
+    - [ ] Preferred Order: `[obj_type]_id` || `id` || `[obj_type]_id_random` || `id_random`.
+    - [ ] Ensure `+layout.ts` cleans incoming raw data from the native bridge.
+3.  **Native Launcher Refinement (Phase 5):**
     - [x] **Office Automation:** Implemented AppleScript handlers for PowerPoint/Keynote.
     - [x] **Telemetry Dashboard:** Built visual CPU/RAM gauges in Launcher Config.
 3.  **Codebase Consistency:**

src/routes/+layout.ts

@@ -160,6 +160,11 @@ export async function load({ fetch, params, parent, route, url }) {
                 // Inject native device metadata into the location state with SAFE MERGE
                 if (native_device_config.native_device) {
                     const incoming_dev = native_device_config.native_device;
+
+                    // String-Only ID Vision: Ensure semantic fields use the random string ID
+                    if (incoming_dev.event_device_id_random) incoming_dev.event_device_id = incoming_dev.event_device_id_random;
+                    if (incoming_dev.event_id_random) incoming_dev.event_id = incoming_dev.event_id_random;
+                    if (incoming_dev.id_random) incoming_dev.id = incoming_dev.id_random;
                     
                     // 1. Recover existing user overrides from localStorage
                     let existing_dev = {};

src/routes/events/[event_id]/(launcher)/launcher/+layout.svelte

@@ -108,6 +108,12 @@
     $events_slct.event_location_id = data.params.event_location_id;
     $events_slct.event_session_id = data.url.searchParams.get('session_id');
 
+    // String-Only ID Vision: Sync the device ID from the native environment
+    const native_dev = $ae_loc.native_device;
+    if (native_dev) {
+        $events_slct.event_device_id = native_dev.event_device_id || native_dev.id || native_dev.event_device_id_random || native_dev.id_random;
+    }
+
     // console.log(`ae_acct.slct.event_id:`, ae_acct.slct.event_id);
     // $events_slct.event_id = ae_acct.slct.event_id;
     // $events_slct.event_obj = ae_acct.slct.event_obj;

src/routes/events/[event_id]/(launcher)/launcher_background_sync.svelte

@@ -163,7 +163,8 @@
      */
     async function run_device_heartbeat() {
         const dev = $ae_loc.native_device;
-        const device_id = dev?.event_device_id || dev?.id_random || dev?.event_device_id_random || dev?.id;
+        // String-Only ID Vision: Prioritize semantic string IDs, then generic, then legacy random strings
+        const device_id = dev?.event_device_id || dev?.id || dev?.event_device_id_random || dev?.id_random;
 
         if (!device_id) {
             if (log_lvl) console.warn('Sync: Heartbeat skipped, no device_id found in $ae_loc.native_device.');